HIKING BOOT LACES: Shoelaces are made from 550 paracord and sold in pairs; highly resistant to abrasion, weather, wear and tear as well as UV deterioration, these are the round boot laces you'll want to reach down for come your next outdoor adventure or work day UNIVERSAL FIT: Shoelaces are compatible with most all brands of hiking boots, running shoes, work boots, combat boots and more; Low stretch nylon fabrication ensures shoe lace knots hold, meaning fewer adjustments and more comfortable movement STRONG 550 PARACORD: Designed for shoes or hiking boots, constructed from a 9 strand nylon interior kern and a nylon exterior jacket, able to withstand the pressure of up to 550lbs; the strong interior and exterior material construction make these the only shoelaces you'll need SURVIVAL GEAR: ParaLace shoelaces are a resourceful survival tool in case of emergency: build a snare, make a sling, extract a fishing line, hang a hammock, secure a shelter and more, your ingenuity is the only limit TECHNICAL SPECS: Sold as a pair of shoelaces; Metal Aglet: 4.2mm; Shoelace diameter: 5/32" Breaking strength: 550 pounds; Available Lengths: 48, 54, 60, 72, 81 inches